The subject matter of collecting is broad due to the very nature of Princes work however it's a very specific theme, collecting. If the threads were posted in the main forum they would get lost amongst the bs that is there.

Some examples of threads that would warrant discussion in a collector specific forum could be along the lines of

There are thousands of collectors of Princes music, with the wealth of official material released there is a lot to talk about, discuss and share. May I suggest we create a collectors corner forum for this subject, would be awesome to have a specific place to go on the org for this.